Dred Scott Decision
U.S. Supreme Court ruling that declared African Americans were not U.S. citizens and that the Missouri Compromise's restriction on slavery was unconstitutional
Series of seven debates between Republican Abraham Lincoln and Democrat Stephen Douglas during the 1858 U.S. Senate campaign in Illinois
Argument made by Stephen Douglas during the Lincoln-Douglas debates that popular sovereignty would determine whether a state or territory could permit slavery
of Pennsylvania was nominated by the democrats instead. He had served roughly 20 years in Congress and as Polk's secretary of state for 4 years. Most importantly, he had not been involved in the Kansas-Nebraska controversy.
John C. Frémont
the republicans chose him as their candidate. He had little political experience, but his opposition to the spread of slavery appealed to Republicans. Although the Republicans also favored issues such as protective tariffs, they generally were seen as a "single-issue party." Their antislavery platform meant the Republicans had almost no supporters outside of the free states.
the slave of an army surgeon from St. Louis, Missouri. In the 1830s Scott had gone with the surgeon on tours of duty in Illinois and the northern part of the Louisiana Purchase. In 1846 Scott sued for his freedom after returning to Missouri. He argued that he had become free when he lived in free territory.
Roger B. Taney
came from a slaveholding family in Maryland. He wrote the majority opinion in the Dred Scott decision in March 1857